Making a simple round window is easy.
1-1. Build a house with a panoramic window.
1-2. Glue a ladder around the window.
Scheme of installation of a ladder around a window.


Reduce the width of the stairs to the minimum, move the main arrow (to the right) in the stairs UI
Refine the location of the stairs bricks, move the dots.

2-1. Place a flat staircase about 2 stories high.
This will be the top part of the round window.


2-2. Bottom of the round window
Place a flat ladder about 1 story high.


Move your cursor over the ladder, right-click, then left-click on the cross. The ladder will split into two segments.


Split the ladder into four equal segments


Move the cursor over the outer segments and move the top points closer to the middle of the ladder

Split the outer segment in half.
Split the first segment and move the segment points toward the center.
Make the first segment longer if the cross does not appear.

Drag the segment arrows down or up and align the height of the segments around the circle.

Drag the arrow to the right (stairs UI) to make the width of the stairs narrow

Drag the segment arrows up or down and align the segment heights to the circle.
Select the palette from the menu and select the stairs with railings.
Use segment and ladder UI.

Put up a wall. Insert rectangular windows.
Insert rectangular double windows.
Don't glue three windows, use Ctrl.

Move the wall into the round hole.

Small round window. Window frame - wheel



1.14.0-beta15 is up!
Wooden stair railings